E-mail: sale09@ltdautomation.com.vn
- Mã sản phẩm: Model: EVAR-5 Line analyzer Orion Vietnam
- Giá: Liên hệ
- Lượt xem: 7556
- EVAR Line Monitor The Electrical Variable Analyzer Relay (EVAR) relay has been designed for the continuous monitoring of electrical parameters in medium or low-voltage 1-phase or 3-phase systems. It allows direct or remote monitoring of the system’s general conditions as it immediately signals any fault. EVAR can also be used to control the production process thanks to the programmable contacts suitable for various applications.
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- Thông tin sản phẩm
- Bình luận
Applications
- Metering of distribution feeders, transformers, generators, capacitor banks and motors
- Commercial & industrial utility
- Flexible control for demand load shedding, power factor, etc
- Power quality analysis
Digital Measurement
- True RMS Phase & Ground Current
- True RMS Phase & Line Voltage
- Energy
- Positive & Negative Active power (kW) & Reactive power (kVAR)
- Last & Maximum Demand readings for:
- phase current (A)
- active power (kW)
- reactive power (kVAR)
- apparent power (kVA)
- Frequency (Hz)
- Voltage & Current Unbalance
- Voltage & Current harmonic analysis up to the 13th
- K-value measurement
- Event recorder
Communication
- Communication port: (1) RS232 and (2) RS485
- Remote programming of the setpoints
- Protocol used: Modbus RTU
- Ethernet comunication port (Modbus TCP/IP) - on request
https://www.orionitalia.com/line-monitor/evar
Signalling and Programming
- LCD & LED display indication
- Indication and storage of fault conditions and their values
- Indication on the system status:
- Normal
- Current fault
- Voltage fault
- Unbalance fault
- Power fault
- Power factor fault
- Demand fault
- THD fault
- Frequency fault
Protection and Functionality
- Phase Under & OverCurrent
- Ground OverCurrent
- Phase Under & OverVoltage
- Phase Sequence
- Current & Voltage total harmonic distortion (THD)
- Under & Over Frequency
- Positive & Negative active power
- Positive & Negative reactive power
- Voltage & Current Unbalance
- Power factor (leading or lagging)
- Demand readings for:
- phase current (A)
- active power (kW)
- reactive power (kVAR)
- apparent power (kVA)
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